[gimp/metadata-browser] build: Rename BUILD_METADATA conditional to HAVE_LIBEXIF

[Roman Joost <romanofski src gnome org>]

commit a1d32c8c4204ee52209c262389340058d3175fa3
Author: Mukund Sivaraman <muks banu com>
Date:   Sun Sep 18 06:50:43 2011 +0530

    build: Rename BUILD_METADATA conditional to HAVE_LIBEXIF

 configure.ac         |    2 +-
 plug-ins/Makefile.am |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 06bfaea..7f59a20 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1208,7 +1208,7 @@ fi
 AC_SUBST(EXIF_CFLAGS)
 AC_SUBST(EXIF_LIBS)
 
-AM_CONDITIONAL(BUILD_METADATA, test "x$have_libexif" = xyes)
+AM_CONDITIONAL(HAVE_LIBEXIF, test "x$have_libexif" = xyes)
 
 
 #################
diff --git a/plug-ins/Makefile.am b/plug-ins/Makefile.am
index 9f256ca..8c22e7b 100644
--- a/plug-ins/Makefile.am
+++ b/plug-ins/Makefile.am
@@ -47,7 +47,7 @@ if BUILD_XJT
 file_xjt = file-xjt
 endif
 
-if BUILD_METADATA
+if HAVE_LIBEXIF
 metadata = metadata
 endif